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' h <br /> r <br /> 404 N.Wiget lane f <br /> Walnut Creek,CA 94598 <br /> (925)988-9600 <br /> V Sequoia FAX(925)988-9673 <br /> www.sequoialabs.com <br /> nalytical���A <br /> Project: San Joaquin HSA I <br /> �tcoy P.Weston-Walnut Creek Reported: } <br /> Project Number: - 26-Oct-0115:50 <br /> l 575 Treat Blvd,Ste 212 r <br /> Walnut Creek CA,94596 Project Manager: Jessica Levine <br /> Total Purgeable Hydrocarbons (C6-C12) and BTEX by DHS LUFT y <br /> Sequoia Analytical-Walnut Creek <br /> Reporting Notes <br /> Result Limit Units Dilution Batch Prepared Analyzed Method <br /> Analyte <br /> i <br /> MW-9(W110223-01)Water Sampled: 11-Oct-01 12:30 Received: 12-Oct-01 10'-05 <br /> l0i 1)12002 12-Oct-01 12-Oct-01 DHS LUPI <br /> ND <br />-7 Purgeable Hydrocarbons(C6-C12) ND 0.50 <br /> Benzene ND 0.50 <br /> Toluene ND 0.50 <br /> Ethylbenzene ND _ 0.50 <br /> Xylenes(total) <br /> 99,0% 70-130 <br /> ..;:r Surrogate:a,a,a-Trfluorotoluene <br /> H-TANK(Wi10223-02)Water Sampled: i1-Oct-01 I3:55 Received: 12-Oct-01 10:05Oct-01 12-Oct-01 DHS LUFT <br /> 11J12002 12- <br /> ND 50 ug/l " <br /> Purgeable Hydrocarbons(C6-C12) ND 0.50 <br /> Benzene ND 0.50 <br /> Toluene ND 0.50 " <br /> Ethylbenzene <br /> ND 0.50 -------__.� <br /> X. .� Xylenes(total) " <br /> _ _-_.._ _..._.._ <br /> 99.3%�_._�...- 70-130� - __-_------ <br /> Surrogate:a,a,a-Trifluorotoluene <br /> 05 <br /> T ";_2p(W 110223-03)Water Sampled: 11-Oct-01 15:27 Received: 12-Oct-01 1p:U5 1))2002 12-Oct-O) 12 Oct o1 DHS LUFT <br /> 1000 500 ugll <br /> x ',,-..rgeable Hydrocarbons(C6-C12) 5.0 <br /> 40 <br /> Benzene ND SA <br /> Toluene <br /> 43 5.0 <br /> I Ethylbenzene ND 5.0 <br /> 95.3.. <br /> . <br /> . <br /> . <br /> . <br /> Xylenes(total) _...- ..- ..% 70-13 00._...__. . ---- - _ <br />� . .. ._... ----- --- <br /> t'-- Surrogate a,a,a-Trifluorotoluene <br /> MW-2(W110223-04)Water Sampled: 11-Oct-01 16:02 Received: 12-Qct-01 i 005 1312002 12-Oct-01 12-Oct-01 DHS LUFT <br /> 26000 5000 ug/l <br /> Purgeable Hydrocarbons(C6-C12) <br /> Benzene 10000 50 <br /> 220 <br /> 50 <br /> Toluene 1300 50 <br /> Ethylbenzene 2700 50 " <br /> 4 r., Xylenes(total) _._. __._--._.---- <br /> i _. 105% 70-130 <br /> Surrogate:a,a,a-Trifluorotoluene <br /> l <br /> The results in this report apply to the samples analyzed in accordance with the chain of <br /> Sequoia Analyticai-Walnut Creek custody document.This analytical report must be reproduced in its entirety. <br /> f <br /> y <br /> Page 2of5 <br /> k .. <br /> I; <br /> Y r <br />